312011003200321 has 8 divisors (see below), whose sum is σ = 313554029817600. Its totient is φ = 310469956093920.

The previous prime is 312011003200297. The next prime is 312011003200363. The reversal of 312011003200321 is 123002300110213.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-312011003200321 is a prime.

It is a super-2 number, since 2×312011003200321² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312011003206321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 494561700 + ... + 495192181.

It is an arithmetic number, because the mean of its divisors is an integer number (39194253727200).

Almost surely, 2^{312011003200321} is an apocalyptic number.

It is an amenable number.

312011003200321 is a deficient number, since it is larger than the sum of its proper divisors (1543026617279).

312011003200321 is a wasteful number, since it uses less digits than its factorization.

312011003200321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 989755439.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 312011003200321 its reverse (123002300110213), we get a palindrome (435013303310534).

The spelling of 312011003200321 in words is "three hundred twelve trillion, eleven billion, three million, two hundred thousand, three hundred twenty-one".